test/render_subtitles_test.cc

   1 /*
   2     Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21
  22 /** @file  test/render_text_test.cc
  23  *  @brief Check markup of subtitles for rendering.
  24  *  @ingroup feature
  25  */
  26
  27
  28 #include "lib/image.h"
  29 #include "lib/image_png.h"
  30 #include "lib/render_text.h"
  31 #include "lib/string_text.h"
  32 #include <dcp/subtitle_string.h>
  33 #include <boost/test/unit_test.hpp>
  34
  35
  36 using std::shared_ptr;
  37
  38
  39 static void
  40 add (std::list<StringText>& s, std::string text, bool italic, bool bold, bool underline)
  41 {
  42         s.push_back (
  43                 StringText (
  44                         dcp::SubtitleString (
  45                                 boost::optional<std::string> (),
  46                                 italic,
  47                                 bold,
  48                                 underline,
  49                                 dcp::Colour (255, 255, 255),
  50                                 42,
  51                                 1,
  52                                 dcp::Time (),
  53                                 dcp::Time (),
  54                                 1,
  55                                 dcp::HAlign::LEFT,
  56                                 1,
  57                                 dcp::VAlign::TOP,
  58                                 dcp::Direction::LTR,
  59                                 text,
  60                                 dcp::Effect::NONE,
  61                                 dcp::Colour (0, 0, 0),
  62                                 dcp::Time (),
  63                                 dcp::Time (),
  64                                 0
  65                                 ),
  66                         2,
  67                         std::shared_ptr<dcpomatic::Font>()
  68                         )
  69                 );
  70 }
  71
  72
  73 BOOST_AUTO_TEST_CASE (marked_up_test1)
  74 {
  75         std::list<StringText> s;
  76         add (s, "Hello", false, false, false);
  77         BOOST_CHECK_EQUAL(marked_up(s, 1024, 1, ""), "<span size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span>");
  78 }
  79
  80
  81 BOOST_AUTO_TEST_CASE (marked_up_test2)
  82 {
  83         std::list<StringText> s;
  84         add (s, "Hello", false, true, false);
  85         BOOST_CHECK_EQUAL(marked_up(s, 1024, 1, ""), "<span weight=\"bold\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span>");
  86 }
  87
  88
  89 BOOST_AUTO_TEST_CASE (marked_up_test3)
  90 {
  91         std::list<StringText> s;
  92         add (s, "Hello", true, true, false);
  93         BOOST_CHECK_EQUAL(marked_up(s, 1024, 1, ""), "<span style=\"italic\" weight=\"bold\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span>");
  94 }
  95
  96 BOOST_AUTO_TEST_CASE (marked_up_test4)
  97 {
  98         std::list<StringText> s;
  99         add (s, "Hello", true, true, true);
 100         BOOST_CHECK_EQUAL(marked_up(s, 1024, 1, ""), "<span style=\"italic\" weight=\"bold\" underline=\"single\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span>");
 101 }
 102
 103 BOOST_AUTO_TEST_CASE (marked_up_test5)
 104 {
 105         std::list<StringText> s;
 106         add (s, "Hello", false, true, false);
 107         add (s, " world.", false, false, false);
 108         BOOST_CHECK_EQUAL (marked_up(s, 1024, 1, ""), "<span weight=\"bold\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span><span size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\"> world.</span>");
 109 }
 110
 111 BOOST_AUTO_TEST_CASE (marked_up_test6)
 112 {
 113         std::list<StringText> s;
 114         add (s, "Hello", true, false, false);
 115         add (s, " world ", false, false, false);
 116         add (s, "we are bold.", false, true, false);
 117         BOOST_CHECK_EQUAL (marked_up(s, 1024, 1, ""), "<span style=\"italic\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span><span size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\"> world </span><span weight=\"bold\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">we are bold.</span>");
 118 }
 119
 120
 121 #if 0
 122
 123 BOOST_AUTO_TEST_CASE (render_text_test)
 124 {
 125         auto dcp_string = dcp::SubtitleString(
 126                 {}, false, false, false, dcp::Colour(255, 255, 255), 42, 1.0,
 127                 dcp::Time(0, 0, 0, 0, 24), dcp::Time(0, 0, 1, 0, 24),
 128                 0.5, dcp::HAlign::CENTER,
 129                 0.5, dcp::VAlign::CENTER,
 130                 dcp::Direction::LTR,
 131                 "HÄllo jokers",
 132                 dcp::Effect::NONE, dcp::Colour(0, 0, 0),
 133                 {}, {},
 134                 0
 135                 );
 136
 137         auto string_text = StringText(dcp_string, 0, shared_ptr<dcpomatic::Font>());
 138
 139         auto images = render_text({ string_text }, dcp::Size(1998, 1080), {}, 24);
 140
 141         BOOST_CHECK_EQUAL(images.size(), 1U);
 142         image_as_png(Image::ensure_alignment(images.front().image, Image::Alignment::PADDED)).write("build/test/render_text_test.png");
 143 }
 144
 145 #endif